English

Definition of undersea adjective from the Oxford Advanced Learner's Dictionary

 

undersea

 adjective
adjective
BrE BrE//ˈʌndəsiː//
 
; NAmE NAmE//ˈʌndərsiː//
 
[only before noun]
 
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found, used or happening below the surface of the sea undersea cables/earthquakes
See the Oxford Advanced American Dictionary entry: undersea